Ma, Yue
Jonsson, Laura
Yao, Zixin
Zhang, Xinwu
Friesen, Dimitris
Medina, Alexis
Rozelle, Scott
Pappas, Lucy
Article History
Received: 1 August 2022
Accepted: 9 February 2023
First Online: 16 February 2023
Declarations
:
: This study received ethical approval from the Stanford University Institutional Review Board (Protocol ID 49552). Trained members of the field survey team received informed oral consent from all caregivers of sample children. Caregivers were aware that their audio recording data would be collected and used for the purposes of this study. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare no conflicts of interest.